Admin/isatest/settings/at64-poly

--- a/Admin/isatest/settings/at64-poly	Mon Jul 14 15:39:23 2014 +0200
+++ b/Admin/isatest/settings/at64-poly	Tue Jul 15 11:13:43 2014 +0200
@@ -8,6 +8,8 @@
   ML_HOME="$POLYML_HOME/$ML_PLATFORM"
   ML_OPTIONS="--minheap 1000 --maxheap 3000 --gcthreads 1"
 
+ISABELLE_GHC=/usr/bin/ghc
+
 ISABELLE_HOME_USER=~/isabelle-at64-poly
 
 # Where to look for isabelle tools (multiple dirs separated by ':').